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Question 5B 5. According to the 1990 Guinness Book of World Records, the highest rotary speed ever attained was 2010 m/s. The rotating rod was

Question 5B

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5. According to the 1990 Guinness Book of World Records, the highest rotary speed ever attained was 2010 m/s. The rotating rod was 15.3 cm long. Assume that the speed quoted is that of the end of the rod. a. Calculate the centripetal acceleration of the end of the rod. ac = V 20 102 0. 153 2 2. 64 x 107 mils 2 2010 2 1= 0. 153 0. 157 b. If you were to attach a 1-gram object to the end of the rod, how much force would be needed to hold it on the rod? Vc = 2010 mIs ac. M = Fc r = 0.153

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